Mammalia Linnaeus 1758 [Rowe 1988], nom. cl. inval.
see Class Mammalia Linnaeus, 1758
Metatheria Huxley 1880 [O'Leary, Allard, Novacek, Meng & Gatesy 2004]
see Infraclass Metatheria Huxley, 1880
Marsupialiformes Vullo, Gheerbrant, de Muizon & Néraudeau, 2009
[Order] †Peradectia Marshall, Case & Woodburne, 1990
Superfamily †Peradectoidea Marshall et al., 1990
see Order Peradectia Marshall, Case & Woodburne, 1990
Family †Peradectidae Crochet, 1979
Genus †Siamoperadectes Ducrocq, Buffetaut, Buffetaut-Tong, Jaeger, Jongkanjanasoontorn & Suteethorn, 1992